黑云母一般是镁铁质及超镁铁质岩石中的次要成分.Biotite is a subordinate constituent of the mafic and ultramafic rocks generally.东天山尾亚杂岩体: 同源还是异源? -- 来自黑云母的证据.Weiya complex, eastern Tianshan: Single - sourced or diverse - sourced ? -- Evidence f...
The translations bear the signs of inaccuracy and haste.这些译文中有不够准确、下笔仓促的痕迹。Trouble was, English translations of many Spanish and Portuguese works were either nonexistent or inadequate.许多拉美文学作品要么找不到译者,要么是译者水平太低.难以胜任. 于是拉巴...